package com.zzyl.member.service.impl;

import java.util.*;
import java.util.stream.Collectors;

import cn.hutool.core.collection.ListUtil;
import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.zzyl.common.core.domain.AjaxResult;
import com.zzyl.common.exception.base.BaseException;
import com.zzyl.common.utils.StringUtils;
import com.zzyl.common.utils.UserThreadLocal;
import com.zzyl.framework.web.service.TokenService;
import com.zzyl.member.domain.FamilyMember;
import com.zzyl.member.domain.FamilyRelation;
import com.zzyl.member.dto.FamilyMemberDto;
import com.zzyl.member.dto.UserLoginRequestDto;
import com.zzyl.member.mapper.FamilyRelationMapper;
import com.zzyl.member.service.IFamilyRelationService;
import com.zzyl.member.service.WechatService;
import com.zzyl.member.vo.FamilyMemberVo;
import com.zzyl.member.vo.LoginVo;
import com.zzyl.nursing.domain.Elder;
import com.zzyl.nursing.mapper.ElderMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.member.mapper.FamilyMemberMapper;
import com.zzyl.member.service.IFamilyMemberService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 老人家属Service业务层处理
 *
 * @author ruoyi
 * @date 2025-08-24
 */
@Service
public class FamilyMemberServiceImpl extends ServiceImpl<FamilyMemberMapper, FamilyMember> implements IFamilyMemberService {
    @Autowired
    private FamilyMemberMapper familyMemberMapper;
    
//    @Autowired
//    private IFamilyRelationService familyRelationService;

    @Autowired
    private FamilyRelationMapper familyRelationMapper;
    @Autowired
    private ElderMapper elderMapper;
    
    @Autowired
    private WechatService wechatService;
    @Autowired
    private TokenService tokenService;


    static List<String> DEFAULT_NICKNAME_PREFIX = ListUtil.of("生活更美好",
            "大桔大利",
            "日富一日",
            "好柿开花",
            "柿柿如意",
            "一椰暴富",
            "大柚所为",
            "杨梅吐气",
            "天生荔枝"
    );

    /**
     * 查询老人家属
     *
     * @param id 老人家属主键
     * @return 老人家属
     */
    @Override
    public FamilyMember selectFamilyMemberById(Long id) {
        return getById(id);
    }

    /**
     * 查询老人家属列表
     *
     * @param familyMember 老人家属
     * @return 老人家属
     */
    @Override
    public List<FamilyMember> selectFamilyMemberList(FamilyMember familyMember) {
        return familyMemberMapper.selectFamilyMemberList(familyMember);
    }

    /**
     * 新增老人家属
     *
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int insertFamilyMember(FamilyMember familyMember) {
        return save(familyMember) == true ? 1 : 0;
    }

    /**
     * 修改老人家属
     *
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int updateFamilyMember(FamilyMember familyMember) {
        return updateById(familyMember) == true ? 1 : 0;
    }

    /**
     * 批量删除老人家属
     *
     * @param ids 需要删除的老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberByIds(Long[] ids) {
        return removeByIds(Arrays.asList(ids)) == true ? 1 : 0;
    }

    /**
     * 删除老人家属信息
     *
     * @param id 老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberById(Long id) {
        return removeById(id) == true ? 1 : 0;
    }

    /**
     * 微信小程序端登录
     *
     * @param userLoginRequestDto
     * @return
     */
    @Override
    public LoginVo login(UserLoginRequestDto userLoginRequestDto) {
        //1.调用微信api,根据code获取openId
        String openId = wechatService.getOpenid(userLoginRequestDto.getCode());

        //2.根据openId查询用户
        FamilyMember familyMember = getOne(Wrappers.<FamilyMember>lambdaQuery(FamilyMember.class)
                .eq(FamilyMember::getOpenId, openId));

        //3.如果用户为空，则新增
        if (ObjectUtil.isEmpty(familyMember)) {
            familyMember = FamilyMember.builder().openId(openId).build();
        }

        //4.调用微信api获取用户绑定的手机号
        String phone = wechatService.getPhone(userLoginRequestDto.getPhoneCode());

        //5.保存或修改用户
        saveOrUpdateFamilyMember(familyMember, phone);

        //6.将用户id存入token,返回
        Map<String, Object> claims = new HashMap<>();
        claims.put("userId", familyMember.getId());
        claims.put("userName", familyMember.getName());

        String token = tokenService.createToken(claims);
        LoginVo loginVo = new LoginVo();
        loginVo.setToken(token);
        loginVo.setNickName(familyMember.getName());
        return loginVo;
    }

    /**
     * 保存或修改客户
     *
     * @param member
     * @param phone
     */
    private void saveOrUpdateFamilyMember(FamilyMember member, String phone) {

        //1.判断取到的手机号与数据库中保存的手机号不一样
        if (ObjectUtil.notEqual(phone, member.getPhone())) {
            //设置手机号
            member.setPhone(phone);
        }
        //2.判断id存在
        if (ObjectUtil.isNotEmpty(member.getId())) {
            updateById(member);
            return;
        }
        //3.保存新的用户
        //随机组装昵称，词组+手机号后四位
        String nickName = DEFAULT_NICKNAME_PREFIX.get((int) (Math.random() * DEFAULT_NICKNAME_PREFIX.size()))
                + StringUtils.substring(member.getPhone(), 7);

        member.setName(nickName);
        save(member);
    }

    /**
     * 绑定家人
     *
     * @param familyMemberDto
     * @return
     */
    @Override
    public AjaxResult addFamilyMember(FamilyMemberDto familyMemberDto) {
        // 1. 获取当前登录用户ID// TODO: 实际应该从token中获取当前登录用户ID
        Long familyMemberId = UserThreadLocal.getUserId();
        //老人身份证号
        Long idCard = familyMemberDto.getIdCard();
        //根据身份证号查询老人信息
        LambdaQueryWrapper<Elder> queryWrapper = new LambdaQueryWrapper<>();
        Elder elder = elderMapper.selectOne(queryWrapper.eq(Elder::getIdCardNo, idCard));
        Long elderId = elder.getId();

        // 2. 创建家人关系记录
        FamilyRelation familyRelation = new FamilyRelation();
        familyRelation.setFamilyMemberId(familyMemberId);
        familyRelation.setElderId(elderId);
        familyRelation.setRemark(familyMemberDto.getRemark());
        
        // 3. 保存到数据库
        familyRelationMapper.save(familyRelation);
        
        return AjaxResult.success("操作成功");
    }

    /**
     * 查询家人列表
     *
     * @return
     */
    @Override
    public List<FamilyMemberVo> getFamilyMemberList() {
        // 1. 获取当前登录用户ID
        Long familyMemberId  = UserThreadLocal.getUserId();
        //Long familyMemberId = 1L; // TODO: 实际应该从token中获取当前登录用户ID
        
        // 2. 查询该用户绑定的家人关系列表
        List<FamilyRelation> familyRelationList = familyRelationMapper.selectFamilyRelation(familyMemberId);
        //2.1 判断该用户没有绑定家人
        if (ObjectUtil.isEmpty(familyRelationList)) {
            throw  new BaseException("请先绑定家人!");
        }
        //获取老人设备信息


        // 3. 组装返回数据
        List<FamilyMemberVo> familyMemberVoList = familyRelationList.stream().map(familyRelation -> {
            FamilyMemberVo familyMemberVo = new FamilyMemberVo();
            // 设置家人ID
            familyMemberVo.setMid(familyRelation.getId());
            // 设置老人ID
            familyMemberVo.setElderId(familyRelation.getElderId());
            // 设置关系
            familyMemberVo.setMremark(familyRelation.getRemark());
            familyMemberVo.setName(familyRelation.getElderName());
            return familyMemberVo;
        }).collect(Collectors.toList());
        
        return familyMemberVoList;
    }
}
